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Spearhead Star-Cut

 910/1210

 

 

Trouble Shooting Guide 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Broken or damaged blades 

1. 

Raise cutting height to avoid  

 

striking the ground 

2. 

Remove or avoid obstacles  

 

such as rocks 

3.

 

Check rotor speed 

4. 

Ensure a steady feed into drive  

 

(Do not snatch the PTO) 

5.

 

Fit optional stump jumpers 

 

Damaged blade holder 

1. 

As above 

2.

 

Failure to keep tight centre  

 

retaining nut 

 

Damage gearboxes 

1. 

Seized slip clutch. 

2. 

Telescopic shafts bottoming out 

3. 

Engaging drive with too much  

 

power / revs 

4. 

Lack of grease on sliding tubes  

 

of drive shaft 

 

Damage to PTO shaft 

1. 

Seized slip clutch 

2. 

Telescopic tube bottoming out 

3. 

Engaging drive with too much  

 

power / revs 

4. 

Turning too sharp 

5. 

Not enough overlap 

6. 

Lack of grease 

7. 

Build up of Debris under drive  

 

shaft 

 

Gearbox overheating 

1. 

Incorrect oil level 

2. 

Incorrect grade of oil 

3. 

Incorrect operating speed 

4.

 

Machine overloaded 

5. 

Rubbish around the gearbox  

 

 

reducing air circulation

 

 
Slip clutches overheating 

1. 

Machine overloaded 

2. 

Incorrect operating speed 

3. 

Incorrect setting 

4. 

Blades hitting the ground 

 
Oil leak from gearbox 

1. 

Damaged shaft seal check for  

 

 

foreign matter (wire-string) 

2. 

Faulty breather 

3. 

Damaged gasket 

4. 

Incorrect oil level 

 

Metal fatigue on frame 

1. 

Too fast a traveling / operating  

 

 

speed for conditions 

2. 

Wings not floating i.e. following    

 

the ground contours (check tractor spool) 

3. 

Used in a manner or condition  

 

 

contra to its intended purpose 

 

Excessive skid wear 

 

1. 

Set skids above the ground

 

 

30

 

Содержание Starcut 1210

Страница 1: ... the information given in this book different to the machine it relates to please contact the After Sales Department for advice 8999054 Please ensure that this manual is handed to the operator before using the machine for the first time The operator must fully understand the contents of this manual before using this machine If the machine is resold the Manual must be given to the new owner Green T...

Страница 2: ... Moving from transport to work position 11 Setting up your Machine 13 Operation 17 Transportation 19 Machine Protection 21 Servicing Maintenance Safety First 22 Daily 23 Every 8 Hours 24 Torque Settings 24 Regularly 25 Blades 25 Slip Clutch Settings 26 Drive shaft alignment 27 Skids 28 Wheels 28 Storage 29 Trouble Shooting Guide 30 Spearhead Warranty 31 2 ...

Страница 3: ...pe Manufactured by the above company complies with the required provisions of the directive 89 392 EEC 98 37 EC and 98 38 EC and AMD 91 368 EEC AMD 93 44 EEC AMD 93 68 EEC and conforms with European norm BSEN 292 Part 1 1991 Safety of Machinery Technical Methodology Part 2 1991 Safety of Machinery Technical Specifications and other national standards associated with its design and construction as ...

Страница 4: ...long as the machine is running Warning Stay clear of mower blades as long as machine is running Warning Stay clear of un proped wings Warning Shut off engine and remove key before performing maintenance or repair work Warning Check all nuts and bolts are tight every 8 hours Warning Carefully read operator s manual before handling this machine Observe instructions and safety rules when operating 4 ...

Страница 5: ...ing Check that all guards are properly fitted and there are no damaged or loose parts Particular attention should be given to the blades to ensure they are not damaged cracked or missing Inspect work area for wire steel posts large stones and other dangerous materials and remove before starting work Ensure that all warning labels are always visible and that they are not damaged defaced or missing ...

Страница 6: ...e manufacturer s specification Never use a machine if the hydraulic system shows signs of damage Never attempt to detect a hydraulic leak with your hand use a piece of card Never allow children to play on or around the machine at any time Never attempt any maintenance or adjustment without first disengaging the PTO lowering the wings to the ground stopping the tractor engine and applying the tract...

Страница 7: ... spline x 1 2 external hydraulic double acting services are required for operating wing rams with float facility 1 external hydraulic double acting service required for operating the height wheels Attaching to the Tractor It is essential to ensure that the tractor lift arms cannot foul the PTO shaft even when the tractor is turning on full lock It is advisable to remove them altogether if there is...

Страница 8: ...linkage bar attached to the lower hole on the hitch plate High Drawbar The parallel linkage bar must removed and the hitch is locked by replacing the pin in the middle hole When using the high drawbar it is not possible to use the parallel linkage as when the machine is full raised the PTO shaft may be damaged Lower Hole Parallel Linkage Middle Hole 8 ...

Страница 9: ...ms outer wing rams with float This is particularly important the spool valve allows the machine to follow the ground contours White Blue pair of hoses to a double acting service for operating the middle wings rams rotor gearbox pivot This double acting service must NOT have float as the ram must be held in position Wing Red Black banded hose double acting spool Wing White Blue banded hose double a...

Страница 10: ... equally Fig 1 Shorten the inner and outer sliding profiles by the same length as the guard tubes File all sharp edges and remove burrs Grease sliding profiles To fit the PTO first clean and grease Press locking pins on the yoke and simultaneously push the PTO yoke onto PTO stub shaft of the tractor until pins engage check PTO input shaft is secure The PTO shaft is fitted with a non rotating safet...

Страница 11: ...y 2 Release transport strap from between the wings and reposition 3 Operate tractor external hydraulic spool to hose marked RED BLACK the first wing rams should extend lowering the left right hand main wing section together onto the ground WARNING The following procedure must done in the correct order to ensure no damage occurs and is safe 11 ...

Страница 12: ...he left right hand outer wing section together onto the ground 6 When all wings have been unfolded to a horizontal work position the spool to the first wing rams must be placed in FLOAT RED BLACK 7 The spool to the second middle wing rams must be placed in HOLD WHITE BLUE to ensure the deck gearbox remain locked with the ram fully extended 8 The third outer set of wing rams operate simultaneously ...

Страница 13: ...ing hydraulic cylinders are fully extended Lengthen the barrel adjusting link until the rotor gearbox has turned fully against the stops The rotor gearbox must be turned to the correct position before engaging PTO drive or folding the machine for transport Warning Failure to control this setting may result in damage to drive lines Note Refer to maintenance section for further information on drive ...

Страница 14: ...ear of the skid This should be measured via the front rear of a wing hinge pin To raise the front of the mower shorten the adjustable links that are attached to the rear axle To lower the front of the mower lengthen the adjustable link 10 mm Adjusting the link is made much easier by placing the machine s weight on the parking stands then gently lower the machine until the weight is off the hitch 1...

Страница 15: ... to adjust the rams down on the centre deck eye bolts Height of cut is controlled by varying the amount of ram stops covering the ram rod Fine adjustment and balance of cut between the rotors is achieved by adjusting the length of the screw attached to the ram base Attention Each ram must have equal amount of spacers 15 ...

Страница 16: ...ng or reducing the amount of spacers that are down At all times the number of spacers covering each height ram must be equal Start with 4 ram spacers on all rams see Recommended Cutting Heights Sticker Part No 8770351 is mounted to the rear of the Star Cut machine to allow easy and quick reference to cutting heights 16 ...

Страница 17: ...ble horsepower The quality of finish is determined by the forward speed i e a slow speed will produce a high quality of cut where as faster forward speeds are used when high output is first priority When in work always ensure the hydraulic spool valve that operates the 1st main wing rams is in float position to enable the wings to freely follow all contours of ground Fig 6 and that the 2nd middle ...

Страница 18: ...s will over load and shorten the life of the wide angle joint When operating in confined areas it is possible to cut going backwards but it is advisable to raise the machine particularly if in scrub where there is the risk of hitting hidden solid obstacles obscured by dense undergrowth Always exercise particular care when operating over uneven ground surfaces Do not allow the blades and blade hold...

Страница 19: ...ning the towing of implements and securely attach a registration and lighting board Warning Avoid transporting machine at high speed over rough ground Maximum speed on highway 20mph 25kph Centre Axle Both centre axle rams must have all 10 spacers down covering the ram rod Wing Axles Both wing axle rams must have all the spacers out Then lower the machine and keep pressurising the rams until both t...

Страница 20: ...Spearhead Star Cut 910 1210 Transportation 20 ...

Страница 21: ...up for any length of time there is a risk of the clutch plates rusting and seizing together Never operate the machine in this condition as there will be no protection to the driveline and gearboxes against shock loading To free the clutch plates first slacken all pressure spring bolts and run up the machine for a short period deliberately try to cause the clutch to slip Finally re tighten the tens...

Страница 22: ...cing stands Always replace all guards and retaining chains after servicing maintenance completed It is imperative that the following checks are carried out in order not to invalidate your warranty these are carried out before the first operation after the first hour then after 4 hours These checks are 1 Wheel nuts and tyre pressure 40PSI 2 Gearbox bolts including the splitter box 3 Retaining bolts...

Страница 23: ...all retaining bolts are fully tight Check wheel nuts are tight Check tyre pressures 40 PSI Check gearbox oil replenish with EP90 gear oil as necessary to the correct level line on the dipsticks provided with each gearbox Fig 9 Greasing Points A Rear axle pivot points grease points 6 off B Wheel arm grease points 6 off C Drive shafts c w slip clutch 7 off D Front drawbar grease points 2 off E Wheel...

Страница 24: ...the correct Torque Fig 11 Torque Settings The Torque figures given below are recommended maximum settings only Size Tensile strength Description Torque setting Nm M16 8 8 Gearbox bolts 280 M20 8 8 Blade bolts 425 M24 8 8 Blade bolts 730 Wheel nuts 270 For maximum life and performance the CV body must be greased regularly Lubricate with the driveline in a straight position up to 30 pumps of grease ...

Страница 25: ...es Caution When carrying out maintenance work on or near the blades be careful of free swinging blades over centering and falling It is recommended that protective clothing including hard hat and goggles are worn The blades can be re sharpened by grinding the cutting edges care must be taken that the blades are of the same weight and length after grinding Do not overheat when grinding as this will...

Страница 26: ...ged clutch slipping dismantle for inspection The original thickness of the lining is 3 2mm replace them when worn to 2 5mm Clean up all contact surfaces and replace any damaged components before assembly Fig No Position Load Machine Setting L Springs 2 Centre 1400 Nm 910 1210 37 5 mm 6 2 1st Wing rotor 2000 Nm 910 1210 37 5 mm 8 2 2nd Wing rotor 1400 Nm 910 1210 37 5 mm 6 2 3rd Wing rotor 1200 Nm ...

Страница 27: ...wing rotor gearbox if any item is removed or replaced This is to ensure that the cross journals UJ s can pivot around the wing drive shafts as the rotor gearbox rotates during the opening or closing of the mower The cross journal axis must be in the same position see diagram below Warning Failure to set this will result in damage to drive lines if in doubt please contact Spearhead 27 ...

Страница 28: ...er when removing the wheel The outer nuts must not be loosened until the valve has been removed and the inner tube is entirely deflated Then and only then may the outer bolts can be loosened Failure to observe these precautions could seriously injure and could even result in loss of life If in any doubt consult a tyre repair specialist or Spearhead s Service Department Warning Heavy duty industria...

Страница 29: ...move all traces of rust on the metal clutch plates Check condition of the friction plates if there is any sign of over heating wear or cracking replace with new Do not attempt to use the machine with damaged slip clutch plates Reassemble the clutch units and tighten the bolts to achieve the correct spring length Do not over tighten or the clutches will not work Check condition of tyres and pressur...

Страница 30: ...oo much power revs 4 Turning too sharp 5 Not enough overlap 6 Lack of grease 7 Build up of Debris under drive shaft Gearbox overheating 1 Incorrect oil level 2 Incorrect grade of oil 3 Incorrect operating speed 4 Machine overloaded 5 Rubbish around the gearbox reducing air circulation Slip clutches overheating 1 Machine overloaded 2 Incorrect operating speed 3 Incorrect setting 4 Blades hitting th...

Страница 31: ... top links ball ends unless there is a manufacturing or material defect or the cost of normal servicing items such as oils and lubricants 5 This warranty does not cover any expenses or losses incurred whilst the machinery is out of use for warranty repairs or parts replacement 6 This warranty does not extend to parts materials or equipment not manufactured by Spearhead for which the Buyer shall on...

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